> ## Documentation Index
> Fetch the complete documentation index at: https://docs.b3os.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Slack: New User Added

Triggers when a new member joins your Slack workspace. Useful for onboarding automation, sending welcome messages, or syncing user data to external systems.

Trigger Communications

Triggers when a new member joins your Slack workspace. Useful for onboarding automation, sending welcome messages, or syncing user data to external systems.

## At a Glance

| Field | Value |
| --- | --- |
| Trigger ID | `slack-new-user-added` |
| Category | Communications |
| Tags | `slack`, `communication`, `team`, `notification` |

## Trigger Configuration

This trigger does not require configuration fields.

## Trigger Result

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `triggeredAt` | `string` | Yes | Timestamp when the event was received \(UTC, RFC3339 format\) |
| `eventType` | `string` | No | Slack event type \(e.g. team_join\) |
| `user` | `object` | No | Full user object for the new team member including id, name, profile, and is_admin fields |

## Workflow Root Example

```json
{
  "nodes": {
    "root": {
      "type": "slack-new-user-added",
      "payload": {},
      "children": [
        "log_event"
      ]
    },
    "log_event": {
      "type": "log",
      "payload": {
        "message": "Triggered at {{$trigger.triggeredAt}}"
      },
      "children": []
    }
  }
}
```

**Reference trigger output**

Downstream nodes can use `{{$trigger.triggeredAt}}` and any result fields listed above. Event triggers usually expose the raw source payload under a field such as `event`, `body`, `trade`, or `raw`.